If multiple effects allow you to play a card from your graveyard, you must announce which permission you're using as you begin to play the card
That being said, there is undeniably a strong theme to this deck, and if you are interested in a deck with strategy built in from the start rather than a deck with good bits and pieces, then this could be the deck for you
If you really want to take advantage of Sin and flood the board with more permanents than you know what to do with, you want to incorporate token doublers
like Mufasa, this isnt a card that youre allowed to play in your Inkwell as a source of Ink, however
(The turn you must wait to use a freshly-played character while they dry is also a much cuter image than Magics summoning sickness.) Being able to add a facedown card from your hand to your inkwell immediately overcomes the common MTG and Pokmon bugbear of finding yourself with no land or energy cards - any Lorcana card with the ink marker around its cost can be turned into ink - and sparks a delicious dilemma about which cards to sacrifice to the inkwell in order to play others
The simplest way to gain lore is to summon glimmers to go questing